Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound - Publikacja - MOST Wiedzy

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Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound

Abstrakt

Single crystals of a new ternary aluminide ErV2Al20 were grown using a self-flux method. The crystal structure was determined by powder X-ray diffraction measurements and Rietveld refinement, and physical properties were studied by means of electrical resistivity, magnetic susceptibility and specific heat measurements. These measurements reveal that ErV2Al20 is a Curie-Weiss paramagnet down to 1.95 K with an effective magnetic moment μeff =9.27(1) μB and Curie-Weiss temperature ΘCW =−0.55(4) K. The heat capacity measurements show a broad anomaly at low temperatures that is attributed to the presence of a low-energy Einstein mode with characteristic temperature ΘE =44 K, approximately twice as high as in the isostructural ‘Einstein solid’ VAl10.1.

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Michał Jerzy Winiarski, Tomasz Klimczuk. (2017). Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound, 245, 10-16. https://doi.org/10.1016/j.jssc.2016.09.029

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF SOLID STATE CHEMISTRY nr 245, strony 10 - 16,
ISSN: 0022-4596
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Winiarski M., Klimczuk T.: Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound// JOURNAL OF SOLID STATE CHEMISTRY. -Vol. 245, (2017), s.10-16

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